Girl Needs Help
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Joined: Jul 2008
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Girl Needs Help
I am new to this forum and have a question. I am rebuilding my deceased husbands 1997 F-350 powerstroke. The injector pump needs to be replaced. I have one for a 6.9 1989 diesel. Are they interchangeable? I can't afford to replace it with new or rebuilt but I promised my husband I would get this truck running. If ou have any suggestions please let me know.
Post Fiend
Joined: Oct 2003
Posts: 5,903
Likes: 1
From: MICHIGAN
Welcome to FTE.
The 7.3 does not have an injection pump like the 6.9, they are completely different.
Maybe you should give a brief history of your symptoms and any work you've done so far. If it has been scanned...list the codes too.
The 7.3 does not have an injection pump like the 6.9, they are completely different.
Maybe you should give a brief history of your symptoms and any work you've done so far. If it has been scanned...list the codes too.
Playing in the Dirt
Joined: Oct 2005
Posts: 2,302
Likes: 1
From: Southwest Georgia
Cuda is right, the 1989 6.9 is an InDirect Injection (IDI) engine and the 1997 7.3 is a Direct Injection (DI) engine. The IDI has a high pressure fuel injector pump and the DI uses high pressure oil to fire the injectors.
Check out thie site for info on the DI injector system: PowerStroke
Like Cuda said, let us know what your problems are and someone on her can help you.
Check out thie site for info on the DI injector system: PowerStroke
Like Cuda said, let us know what your problems are and someone on her can help you.
Last edited by plowhand; Jul 22, 2008 at 11:30 AM. Reason: spelling
Postmaster
Joined: Dec 2003
Posts: 2,864
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From: STEPHENVILLE,TX!!!!!
ford refers to the high pressure oil pump (hpop) as the injection pump. your best bet is to buy another one used 15 degree pumps are pretty easy and affordable to get your hands on. not very often do they fail. it could be the injection pressure regulator which is on the pump or injector orings.
how many miles are on it? check the classifieds here or at powerstrokenation
how many miles are on it? check the classifieds here or at powerstrokenation
